Problem of the Week: August 15

What flight height would be required to produce vertical photographs
with a scale of 1:12,000 over level terrain if the average elevation is
3300 ft and the focal length of the camera is 8 in?

(A) 8200 ft

(B) 10,000 ft

(C) 11,300 ft

(D) 15,300 ft

The answer is (C).

This is problem 32 (8-4) from the NEW third edition
of “Surveying Solved Problems for the FS and PS Exams” by Jan Van
Sickle, PLS (formerly "1001 Solved Surveying Fundamentals Problems").
Reprinted with permission from “Surveying Solved Problems for the FS
and PS Exams” by Jan Van Sickle, PLS (2008 Professional Publications
Inc.). For details on this and other FLS exam-prep books, call
800/426-1178 or visit www.ppi2pass.com.